Can I develop an android app after completing this certificate course?

You can learn Android Development through internet. Also, there are tons of video tutorials present on YouTube. There are various free courses on Udemy for Android Development. As for your question, the name of the course does match your requirement but don't know how the teaching behavior of them i

Hi Hemant! Yes, as the course's name suggests, it teaches you the skill and knowledge of developing an android app. You will of course be able to develop an app once you learn the entire process thoroughly in this course.